The procedure for minimally invasive left varicose vein surgery includes sterilization, incision and ligation of the varicose vein, and bandaging. 1. Sterilization: Sterilization of the surgical area. The most common surgical procedure is microscopic varicose vein ligation, which can be performed with local block anesthesia or general anesthesia; general anesthesia is necessary if the procedure is laparoscopic ligation. The area is then disinfected and draped. 2. Incision and ligation of varicose veins: with the aid of a microscope or laparoscope, all the spermatic veins are isolated and then ligated, preserving the arteries and lymphatic vessels in the process. 3. Dressing: the surgical incision is sutured and wrapped with a dressing. The stitches are removed about one week after surgery. To summarize, the exact procedure may be different for different minimally invasive surgeries, and you should consult a professional doctor.